A device or instrument used to measure quantities such as length, weight, or temperature; used in laboratories, factories, medical settings, and other fields.
この測定器は温度を0.1℃単位で測定できる。
This measuring instrument can measure temperature to 0.1°C precision.
工場では定期的に測定器の校正を行っている。
The factory regularly calibrates its measuring instruments.
看護師が血圧測定器を使って患者の血圧を測った。
The nurse used a blood pressure monitor to measure the patient's blood pressure.